CH 16 Skin Flashcards by Clara W

Fat cell.

Adipocyte

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Person with skin deficient in pigment (melanin)

Albino

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One of the large dermal exocrine glands located in the axilla and genital areas. It secrets sweat that, in action with bacteria, is responsible for human body odor.

Apocrine sweat gland

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Deepest region of the epidermis, gives rise to epithelial cells

Basal layer

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Structural protein found in the skin and connective tissue

Collagen

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Middle layer of the skin

Dermis

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Most numerous sweat-producing exocrine gland in the skin

Eccrine sweat gland

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Outermost layer of the skin

Epidermis

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Layer of skin cells forming the outer and inner surfaces of the body

Epithelium

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Sac within which each hair grown

Hair follicle

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The skin and accessory structures.

Integumentary system

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Hard protein material found in the epidermis, hair, and nails.

Keratin

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The half-moon shaped, whitish area at the base of a nail.

Lunlua

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Skin pigment

Melanin

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Soft tissue surrounding the nail border

Paronychium

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Tiny opening on the surface of the skin

Pore

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Oil-secreting gland in the dermis that is associated with hair follicles.

Sebacous gland

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Oily substance secreted by sebacous glands.

Sebum

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Flat, scale-like cells composing the epidermis

Squamous epithelium

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Arranged in layers

Stratified

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A layer (of cells)

Stratum

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Outermost layer of the epidermis, which consists of flattened, keratinized cells.

Stratum corneum

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Innermost layer of the skin, containing fat tissue

Subcutaneous layer

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adip/o

fat

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albin/o

white

caus/o

burn,burning

cauter/o

heat, burning

cutane/o derm/o dermat/o

skin

diaphor/o

profuse sweating

erythem/o erythemat/o

redness

hidr/o

sweat

ichthy/o

dry, scaly

kerat/o

hard

leuk/o

white

lip/o steat/o

fat

melan/o

black

myc/o

fungus

onych/o ungu/o

nail

phyt/o

plant

pil/o trich/o

hair

py/o

pus

rhytid/o

wrinkle

seb/o

sebum

squam/o

scale-like

xanth/o

yellow

xer/o

dry

Collection of dried serum and cellular debris.

crust

Thick-walled, closed sac or pouch containing fluid or semisolid material.

cyst

Wearing away or loss of epidermis

erosion

Grove or crack like sore

fissure

Flat, pigmented lesion measuring less than 1 cm in diameter

macule

Solid, round or oval elevated lesion 1 cm or more in diameter

nodule

Small (less than 1 cm in diameter), solid elevation of the skin

papule

Growth extending from the surface of mucous membrane

polyp

Papule containing pus

pustule

Open sure on the skin or mucous membrane

ulcer

small collection of clear fluid, blister

vesicle

Smooth, edematous (swollen) papule or plaque that is centrally redder or paler than the surrounding skin.

wheal

Absence of hair form areas where it normally grows

alopecia

Bluish-ppurplish mark on the skin

ecchymosis

Small, pinpoint hemmorage

petechia

Itching

Pruritus

Chronic papular and pustular eruption of the skin with increased production of sebum

acne

Injury to tissues caused by heat contact.

burns

Diffuse, acute infection of the skin marked by local heat, redness, pain, and swelling.

cellulitis

Inflammatory skin disease with erythamatous, papulovesicular or papulosquamous lesions.

eczema (atopic dermatitis)

Rash of the skin due to a viral infeciton

exanthematous

Death of tissue with loss of blood supply

gangrene

Bacterial infalmmatory skin disease characterized by vessicles, pustules, and crusted-over lesions

impetigo

Chronic recurrent dermatosis marked by itchy, scaly, red plaques covered by silvery gray scales

psoriasis

Contagous, paracitic infection of the skin with intense pruritus

scabies

Chronic progressive disease of the skin and internal organswith hardening and shrinking of connective tissues

scleroderma

Infection of the skin caused by a fungus

tinea

Acute allergic reaction in which red, round wheals develop on the skin

urticaria (hives)

Dipigmentation in areas of the skin.

vitiligo

Increased gorwth of cells in the keratin layer of the epidermis caused by pressure or friction

callus

Excess hypertophied, thickened scar developing after trauma or surgical incision.

keloid

Thickened and rough lesion of the epidermis; associated with aging or skin damage.

keratosis

White, thickened patches on mucous membrane tissue of the tongue or cheek

leukoplakia

Pigmented lesion of the skin

nevus

Epidermal growth caused by a virus

verruca

Malignant tumor of the basal cell layer of the epidermis

basal cell carcinoma

Malignant tumor of the squamous epithelial cells in the epidermis

squamous cell carcinoma

Cancerous growth composed of melanocytes

malignant melanoma

Samples of skin are examined for presence of microorganisims

bacterial analyses

Scrapings from skin lesions, hair specimens, or nail clippings are sent to a laboratory for culture and microscopic examination

fungal tests

Use of subfreezing temperature achieved with liquid nitrogen application to destroy tissue.

Cryosurgery

Use of sharp dermal curette to scrape away a skin legion

curettage

Tissue destroyed by burning with an electric spark

electrodesiccation

Thin layers of malignant tissue are removed, and each slice is examined microscopically to check for adequate extent of the resection

Mohs surgery

Suspicious skin lesions are removed or sampled and examined microscopically by a pathologist

skin biopsy

Substances are injected intradermally or applied to the skin and results are observed.

skin test